8890399860 has 48 divisors (see below), whose sum is σ = 25301213952. Its totient is φ = 2331907200.

The previous prime is 8890399841. The next prime is 8890399873. The reversal of 8890399860 is 689930988.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 8890399794 and 8890399803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210876 + ... + 1218195.

It is an arithmetic number, because the mean of its divisors is an integer number (527108624).

Almost surely, 2^8890399860 is an apocalyptic number.

It is an amenable number.

8890399860 is an abundant number, since it is smaller than the sum of its proper divisors (16410814092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8890399860 is a wasteful number, since it uses less digits than its factorization.

8890399860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429144 (or 2429142 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 60.

The square root of 8890399860 is about 94288.9169520999. The cubic root of 8890399860 is about 2071.6057041165.

The spelling of 8890399860 in words is "eight billion, eight hundred ninety million, three hundred ninety-nine thousand, eight hundred sixty".